code: def test_get_max_value_key(self):
      max_key = get_max_value_key({"a": 3, "b": 10, "c": -1, "d": 9.9})
      self.assertEqual("b", max_key)
  
      # Make sure minimum key is consistently selected for equal values.
      max_key = get_max_value_key({"d": 10, "c": 10, "b": 10, "a": 10})
      self.assertEqual("a", max_key)
  
file_path: kmodes/kmodes/util/tests/test_util.py
imports: import unittest
  import numpy
  from sklearn.utils._testing import assert_array_equal
  from kmodes.util import get_max_value_key, encode_features, get_unique_rows, decode_centroids
label_desc: Use image node_id 1 for calling the TestUtils obj's underlying member method code with example usage: obj.test_get_max_value_key() without return types